package lecture02.test;

public class Exe1 {
    public static void main(String[] args) {
        char c1,c2; //定义两个字符类型变量
        c1='a'; //为字符变量赋初值
        c2='b';
        System.out.println(c1+" "+c2);//第 8 行
        System.out.println((int)c1 + " " + (int)c2);
        System.out.println(c1+c2);
    }
}
